When warming the car back up to check the level another injector stuck open. If the injectors are the problem, hopefully I can just have them cleaned. In this case, there may be an odor of unburned fuel in the engine compartment, coming through the vents, or even out of the tail pipe. There is the labor involved as well. BELEY Fuel Injector Seal Installer & Remover Kit for BMW N55 N63 S55 S63 B38 B48, Oil Seals Replacement Install & Removal Tool 5.0 out of 5 stars 3 $89.90 $ 89 . This washes the oil off the walls of the cylinder accelerating wear, and the fuel will slip between the rings and into the oil. Using an air nozzle on my compressor, I verified that injector was still stuck open. I am hoping that he means stuck in the head instead of stuck open dumping fuel. It really didnt sound like it would take that long either. have you check your fuel pressure regulator?-thats what i can think if maybe the FPR is bad or maybe you can try some injector cleaner? Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! He is selling the stock $30 for the set and the M3 for $40 for the set. Would the injector fail on its own in the open position or would there have been some contamination in the fuel that got past the filter and prevented the injector from closing? This is a common issue on the Caravan and Town and Country models. Hello everyone, I hope someone has seen this problem before and can help. It didn't even cross my mind, I'm so stuck on the thought of it being an injector, and dreading the replacement of the other 4 since the last 4 were replaced. Ethanol is hygroscopic thus drawing moisture from the air into the fuel. I will definitely do the oil analysis because it is probably good to do even if it was just the injector stuck in the head or the injector broken off during repair. Just find some stock injectors from an m20 engine im pretty sure the eta injectos would be the same but not 100%. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! So if your dealer did the same, the oil sample opportunity is long gone. This caused 3 of my injectors to stay open all the time. Well even though your engine is continiously getting flooded due to TOO MUCH INJECTION then how did the gas leaked all the way down the cylinder?, the replacement of injectors isnt an easy task on this cars because is most comfortable to take the manifold(intake) out but its about a full day job with taking your time...if u have the buck then buy them brand new...if you dont there are always some e30s at the junkyards...i would just do it my self , i dont know if you would risk it though. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $94.99. If the fuel pressure is incorrect, it will affect the ECU's calculations. I had a short in my ecu on my 90 325ic. Also of note, just the last day or so of driving after the oil change, the entire engine has quieted down a good bit more, including the stuck injector noise. My experience with mechanical diesels says an injector is stuck open and dumping fuel into the cylinder unmetered. An injector stuck open would cause poor fuel mileage and the engine management system would notice it as well as there would be a lot of unburnt fuel in the exhaust and if severe enough, hydrolock the motor. Stuck Open Fuel Injector (how to fix) Print 2001 Dodge Grand Caravan 3.3 with a #5 injector control wire shorted to ground. I was able to get a couple of .125" terminal lugs and wire to a pushbutton with a 9V battery. The ECU assumes the fuel pump and regulator supply the correct fuel pressure. Dealer found a fuel injector was stuck open pouring gas into the cylinder and oil and a bent rod, their recommendation is a new engine. Thank you all. I'm trying to read more about this, but generally why would injectors get stuck and how bad is this? CAn anyone confirm this? When the injector is spraying constantly as it will when stuck open you get liquid diesel on the walls of the cylinder during all 4 strokes. Occasionally, the problem may be coming from your fuel lines, or a damaged sensor urging the ECU to inject extra fuel than necessary. This is different than the injector stuck open. Thanks. well if they are stuck open you will need to replace them cleaning prolly wont fix the issue. Both cylinder heads and timing chains is where I would start to negotiate. Based on the amount and types of contaminates in the oil, they can tell you if there has been any excessive wear. P0201 is a diagnostic trouble code (DTC) for "Injector Circuit Malfunction - Cylinder 1". He says they will work and that my ecu will compensate for the diffrence. Since I started having these problems, I noticed that when I check my oil it reads over full. I pulled the fuel rail and the injectors are flowing wide open continuously when the start button is pressed and until the fuel pressure stops. So I have now bought 8 of the bosch injectors for £47 each, BMW wanted over £160 each. Fuel coming from the exhaust. I start out asking for both heads and timing chains to be replaced as a bargaining chip. Tell them you are worried about damage to the other head from removing the injectors, wear and tear, carbon build up causing different performance between the old and new head. Fuel injectors in the BMW N55 engine are also prone to sticking open. BMW E60 M5 S85 5.0L Injectors - Tools Pro-Line JetClean Gasoline System Cleaner Concentrate - 500 ml Designed to clean the vehicles fuel injection … Think of it as a blood test for you engine. The thinking from Brian425 is that the injector is stuck in the head and won't come out. It doesn't hurt to ask though. So, I decided to change my oil today. The stock injectors for the i models are only 14lb. Pull up and twist the injector out. How to repair P2440 Bmw code Secondary Air Injection System Switching Valve Stuck Open Bank 1 To accelerate the activation of catalyst when warming up the engine, the air injection system pumps the secondary air to the exhaust manifold by pressure. I just looked on ebay for injectors. I've seen these injectors working before so I do know that these are running continuously not … I ended up draining about 3 gallons of oil and gas mix. They might have already been in contact with BMW NA and it is them that has authorized the head. Injector was replaced and the oil changed as it will have been contaminated with petrol. If the injector were stuck open wouldn't I see white smoke from the back of the car and also have horrible fuel economy? JavaScript is disabled. So the dealer either thinks they can get it freed from the head by having the head off or that the head needs to be replaced as they expect it to be damaged in the injector removal process. An injector can go bad in a number of ways. UTMALL Fuel Injector Tool Puller for BMW N20 N55 Engine. Some of the posters described astounding improvements in smoothness, surging, and power delivery. just remove the valve cover remove the elec connectors and remove the fuel rail from the manifold. Ard mentioned the oil analysis so you could get an understanding about what was happening inside your motor. Then pry fuel rail out and you should be able to get it out without removing the fuel lines then lay a rag or something down and turn the key to position 1 and the pump will run for about 5 sec and if any of the injectors are stuck open you will be able to see it then. I think I am going to get both sets and maybe get that kit to upgrade later. I am hoping that he means stuck in the head instead of stuck open dumping fuel. This caused my car to run very rough and get extremely poor fuel efficiency (literally about 3 gallons per mile :yikes: ). I would make the effort to get both timing chains. I do not have a schematic handy for this car but if the injectors are really being held open constantly I would tend to think this may be a fault with the ECU. If your injectors are stuck in the intake, spray some penetrating oil around the base of the injectors, then wiggle the whole rail and pull. This is different than the injector stuck open. Hopefully they haven't started draining the block yet. For a better experience, please enable JavaScript in your browser before proceeding. you would need at least the m30 AFM and a chip to run 19lb injectors if not a cam also. They will tell you the amounts of different metals and contaminates f(oil, water, etc) found in the oil. Most fuels contain ethanol. It is still audible over the rest of the engine, especially with the windows up. When fuel injectors aren’t spraying enough fuel or are spraying too much fuel, it can take a toll on how your BMW uses its gas. The wire harness right above the exhaust crossover pipe will melt together and cause multiple problems. Thanks Ethrty. Fuel odor – This goes hand in hand with fuel leakage, but when your gasoline fails to burn due to faulty injector, or even one which is stuck open, the smell of gasoline will be high. Fuel System Cleaner: Like with preventing dirt buildup, you can almost entirely eliminate the risk of fuel injector clogs by running a fuel system cleaner through your BMW’s fuel system every 6 months or so. When this occurs, unburnt oxygen enters the exhaust and makes the O2 sensor read lean. A forum community dedicated to BMW owners and enthusiasts. A forum community dedicated to BMW owners and enthusiasts. It was mixed with gas. They can have external Symptoms of dirty, clogged or mechanically failing BMW E46 fuel injectors are; rough idling, stalling out, poor acceleration, engine misfires and instrument cluster warning lights. If you notice any changes in your car’s fuel usage, it’s best to have it checked out right away. A special tool designed to remove (stuck injectors) and install injectors in BMW petrol engined models with N20, N26 and N55 engine codes. Don’t Run the Risk A restriction of 8-10 percent on a single fuel injector can be enough to cause a misfire. http://www.bimmerfest.com/forums/showthread.php?t=824500, http://www.bimmerzone.com/category/Tip_and_Tricks_OEM.html, https://www.turnermotorsport.com/t-OEvsOEM, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. I am just thinking that maybe because they were staying open now they are stuck, so even though I replaced the ecu, I still need to unbind the injectors. Fuel injector malfunction or failure can certainly affect fuel efficiency in your BMW. Just use the stock ones for now. You've probably (pre) authorized the paperwork when you dropped off the car. That is how I know the injectors were staying open causing excessive fuel consumption and a terrible running car. This injector is further used for two distinct controls known as the particulate matter (PM) forced regeneration and PM reduction. As you twist the screwdriver to open up a slight gap, spray the area again with lubricant. The first thing my dealer did, they changed the oil when they were doing the rest of the tests for BMW. What causes this problem with the Exhaust Aftertreatment Fuel Injector A Stuck Open? just go to a junk yard and pull a rail out if your trying to save money. I never had to deal too much with those engine components so I will find out as much as I can tomorrow (Monday). BMW isn't going to pay for two heads when there is nothing wrong with the other one. He says he has some stock injectors from an super eta motor. Bringing the BMW community together. 2017 Pilot EX-L 2wd (31k); 2012 V6 Crosstours 2wd (101k , 257k); 2013 BMW X5: 2014 Nissan NV ... Can't recall anyone on this forum ever having an injector that stuck open. Engine codes: BMW N55 3.0L, N26 2.0L, N20 1.6L & 2.0L petrol engines. It’s hard to imagine the leads between 3 injectors and the ECU all grounding at once due to a harness fault. Comments: Hi i have a bmw e30 325i and only 3 injectors open and over fueling not closing how can I fix it all 6 injectors to open and close right? Then pry fuel rail out and you should be able to get it out without removing the fuel lines then lay a rag or something down and turn the key to position 1 and the pump will run for about 5 sec and if any of the injectors are stuck open you will be able to see it then. I may just get both sets and have a spare set. An injector stuck in the head would. It doesn't hurt to ask, but don't expect them to say yes. An injector stuck open would cause poor fuel mileage and the engine management system would notice it as well as there would be a lot of unburnt fuel in the exhaust and if severe enough, hydrolock the motor. Vehicle towed to Ford dealer for repair. I would not make a big fight to get both heads replaced. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. The ECU regulates how much fuel is sprayed in by controlling the time the injectors are open. Its not worth the money in my opinion. Pricey little buggers arent they. I got a line on a couple sets on craigslist. Dipping the injector in fuel injector cleaner while cycling the solenoid open and shut and after two or three tries, there was a very different sound. After all, its warranty work. I am taking it to a mechanic on Tuesday. GOGOLO Fuel Injectors Removal and Installation Tool Kit Compatible with BMW N20 N55 N53 N54 N63 S63 N43 N47 N57. This will … you do not have to remove the whole intake mani to replace injectors. Slowly lift the injector and set it back down to distribute the lubricant and break any vacuum that may be present between the injector and the fuel rail. I do have some fittings and old compressor gauges laying around along with a gauge for compression testing. 90 The symptoms of a stuck-open or incompletely closing fuel injector are quite different than an injector that is completely dead or partially clogged. A dead injector will cause the engine start and operate when it is cold but not when it is warm. He also has a set from a 95 M3 tht are rated at 19lb. If you remove the fuel injectors for any reason (for example, to replace the intake manifold) and you plan to reuse the fuel injectors, replace all the fuel injector sealing O-rings. On the MOA oilhead forum an interesting thread was started describing the results of installing the R1200 fuel injectors on the R1100, 1150 machines. Residue from the rust gets into the injectors when the fuel filter is in bad shape. An injector stuck open also wouldn't require the head to be removed. Took my 2012 X5 50i for the n63 campaign and they said the injectors were stuck and that they have to get a new engine head. This leads me to believe the injector has mechanically become stuck. Mechanic found a fuel injector was stuck open pouring gas into the cylinder and oil. JavaScript is disabled. How do you know for sure your injectors are stuck open? Bringing the BMW community together. The fuel economy was great leading up to the dealership and I didn't see any white smoke from the back (my wife drove part of the way). injectors are open. It will allow you to give something back. It's a good idea to relieve fuel system pressure before beginning. Fuel injectors become clogged due to hydrocarbons, sediment and other elements in the fuel. I dont think that the 19 lb ones out of an m3 will work as they should with your car stock. The bike was not running. I was at my friends shop when they were removing fuel injectors from a S63 motor in an M5. It didnt say anything about taking the manifold off in the Bentley manual. Even with the Snap On injector removal tool, they ended up using a slap hammer. I don't have a fuel pressure gauge. An injector stuck open also wouldn't require the head to be removed. If your car's already at the dealer, you are going to need access to the car to drain some oil. Wow! I had the car diagnosed. As the fuel builds up in the combustion chamber(s) it will cause multiple cylinder misfires and plumes of noxious white smoke to be ejected from the tail pipes. Appreciate your help. Apparently BMW injectors have a reputation for getting stuck. I am just curious if a new AFM nd chip are required. An injector stuck in the head would. This is a very serious condition where the injector continues to spray fuel into the cylinder. http://www.bimmerfest.com/forums/showthread.php?t=407550, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. For a better experience, please enable JavaScript in your browser before proceeding. Given that the dealer needs to get the ok from BMW on what to replace, I would tend to think that the dealer is following the marching orders from BMW. An injector that is stuck open or partially closed will emit an unburnt fuel odor in the engine compartment.
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